Ostania's counterintelligence agency and national security bureau conducts spy hunts and keeps surveillance on its citizens to maintain peace within the country. They are also called the Secret Police and are feared. Yor's younger brother Yuri actually belongs to the Secret Police and is hunting down spies while keeping this a secret from Yor and others around him. One day, he suddenly shows up at the Forger residence. The Forgers, who are full of secrets, and Yuri, who has a secret identity, come face to face!
In order to protect my 
job and my happiness,
،لحماية عملي وسعادتي
Zum Schutz meiner Arbeit
und ihres Glücks
Tengo que seguir ocultando esto
para proteger su trabajo y su felicidad.
Tengo que seguir ocultando esto
para proteger su trabajo y su felicidad.
Je ne dois rien laisser paraître,
tant pour son bonheur que mon travail.
Per proteggere il mio lavoro 
e la felicità di mia sorella,
Para proteger meu emprego
 e minha felicidade,
Я должен скрывать свою сущность,
чтобы сохранить счастье и работу.